This is the 13719th most frequent Polish word.
podnieść
"Podnieść" means "to lift" or "to raise."
In this sentence, "podnieść" is used metaphorically to express an improvement or elevation of knowledge or skills.
Chcę podnieść poziom swojej wiedzy w języku polskim.
I want to improve my level of knowledge in the Polish language.
Here, "podnieść" is used literally to describe the physical act of lifting an object upwards.
Pomogłem podnieść ciężką skrzynkę z podłogi.
I helped lift the heavy box off the floor.
In this sentence, "podnieść" is employed in a figurative sense, meaning to increase or enhance morale or spirits.